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L9679P Datasheet(PDF) 267 Page - STMicroelectronics

Part # L9679P
Description  Automotive advanced airbag for mid/high end applications and cut-off battery IC
PDF  279 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9679P Datasheet(HTML) 267 Page - STMicroelectronics

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DS11627 Rev 7
267/279
L9679P
Electrical characteristics
278
18.22
ISO9141 Interface (K-LINE)
All electrical characteristics are valid for the following conditions unless otherwise noted:
40 °C  Ta  +95 °C, VINGOOD0  VIN  35 V.
6
TMASK_STUP_ON
Diagnostic mask
delay after switch ON CGPOX = 100 nF typ
136
-
200
µs
7 TMASK_STUP_OFF
Diagnostic mask
delay after switch
OFF
CGPOX = 100 nF typ
520
-
584
µs
8
TFLT_TSD
Thermal shutdown
filter time
-
-
-
10
µs
9
FPWM
GPO PWM frequency Design Info
-
125
Hz
10
DCPWM
GPO PWM duty cycle Increment step = 1.6%
0
-
100
%
Table 68. GPO driver interface – AC specifications (continued)
No
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Table 69. ISO9141 interface DC specifications
N°
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
1
VIH_ISOTX
ISOTX high level input
voltage
-
2
-
-
V
2
VIL_ISOTX
ISOTX low level input
voltage
-
-
-
0.8
V
3
VHYS_ISOTX
ISOTX hysteresis input
voltage
-
150
-
500
mV
4
IPU_ISOTX
ISOTX pull up current
ISOTX = 0
-70
-45
-20
µA
5
CIN_ISOTX
ISOTX input
capacitance
Design Info
-
-
5
pF
6
VTH_DOM_ISOK
ISOK Input Receiver
Threshold
ISOTX = 0V
VIN *
0.4
VIN *
0.45
VIN *
0.5
V
7
VTH_REC_ISOK
ISOTX = VDDQ
VIN *
0.5
VIN *
0.55
VIN *
0.6
V
8
VHYS_ISOK
-
VIN *
0.07
VIN *
0.1
VIN *
0.13
V
9
VO_DOM_ISOK ISOK Output Voltage
ISOTX = 0V,
IISOK = 40mA
-
-
1.2
V
10
IOC_ISOK
ISOK Over Current
Detection
-
50
-
100
mA
11
ILIM_ISOK
ISOK Current
Limitation
-
50
-
100
mA
12
ΔILIM_OC_ISOK
Difference between
Current Limitation and
OC Threshold
ILIM_ISOK - IOC_ISOK
0.1
-
-
mA



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